diff --git a/root/programs/CommonLibrary/NetFxLibrary.csproj b/root/programs/CommonLibrary/NetFxLibrary.csproj
index 3aeebb7..7f60767 100644
--- a/root/programs/CommonLibrary/NetFxLibrary.csproj
+++ b/root/programs/CommonLibrary/NetFxLibrary.csproj
@@ -298,7 +298,7 @@
       <Version>4.0.180</Version>
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json">
-      <Version>12.0.2</Version>
+      <Version>13.0.1</Version>
     </PackageReference>
     <PackageReference Include="Npgsql">
       <Version>4.0.10</Version>
diff --git a/root/programs/MultiPurposeAuthSite/MultiPurposeAuthSite/packages.config b/root/programs/MultiPurposeAuthSite/MultiPurposeAuthSite/packages.config
index 4b6c662..815b2c5 100644
--- a/root/programs/MultiPurposeAuthSite/MultiPurposeAuthSite/packages.config
+++ b/root/programs/MultiPurposeAuthSite/MultiPurposeAuthSite/packages.config
@@ -58,7 +58,7 @@
   <package id="Microsoft.Owin.Security.Twitter.ja" version="4.0.1" targetFramework="net48" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net48" />
   <package id="Modernizr" version="2.8.3" targetFramework="net48" />
-  <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net48" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net48" />
   <package id="Owin" version="1.0" targetFramework="net48" />
   <package id="PeterO.Numbers" version="1.4.3" targetFramework="net48" />
   <package id="popper.js" version="1.14.3" targetFramework="net48" />